linux-ext4 - [PATCH] libext2fs : Fix memory leaks in ext2fs_extent

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Message-ID: <ea11fea30808151356g49cc399fna2457d8902926e97@mail.gmail.com>
Date:	Sat, 16 Aug 2008 02:26:43 +0530
From:	"Manish Katiyar" <mkatiyar@...il.com>
To:	"Theodore Tso" <tytso@....edu>, linux-ext4@...r.kernel.org
Cc:	mkatiyar@...il.com
Subject: [PATCH] libext2fs : Fix memory leaks in ext2fs_extent_open()

Memory allocated for the ext2_extent_handle is not getting freed from
all the return paths in case of error. Below patch fixes it.

Signed-off-by: "Manish Katiyar" <mkatiyar@...il.com>

---
 lib/ext2fs/extent.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/ext2fs/extent.c b/lib/ext2fs/extent.c
index 44d7d9b..42a6cb9 100644
--- a/lib/ext2fs/extent.c
+++ b/lib/ext2fs/extent.c
@@ -222,12 +222,14 @@ extern errcode_t ext2fs_extent_open(ext2_filsys
fs, ext2_ino_t ino,
 		handle->inode->i_flags |= EXT4_EXTENTS_FL;
 	}

-	if (!(handle->inode->i_flags & EXT4_EXTENTS_FL))
-		return EXT2_ET_INODE_NOT_EXTENT;
+	if (!(handle->inode->i_flags & EXT4_EXTENTS_FL)) {
+		retval = EXT2_ET_INODE_NOT_EXTENT;
+		goto errout;
+	}

 	retval = ext2fs_extent_header_verify(eh, sizeof(handle->inode->i_block));
-	if (retval)
-		return (retval);
+	if (retval)
+		goto errout;

 	handle->max_depth = ext2fs_le16_to_cpu(eh->eh_depth);
 	handle->type = ext2fs_le16_to_cpu(eh->eh_magic);
-- 
1.5.4.3
--
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